Agent for treating powder for cosmetic, powder for cosmetic, and cosmetic formulated using said powder

摘要

A treatment agent for a cosmetic powder is provided. The treatment agent contains a reactive organosiloxane represented by the following general formula (1) as a main ingredient:; In general formula (1): each R¹ is independently an alkyl group having 1 to 30 carbon atoms; each R² is independently an alkyl group having 1 to 20 carbon atoms; R³ is a divalent alkylene group; n is an integer of 1 to 200; and p is an integer of 1 to 3. The treatment agent for a cosmetic powder of this disclosure is capable of imparting excellent lipophilicity. A cosmetic raw material having cosmetic effect and giving an excellent feeling of use, and a cosmetic are also provided.